CVE-2025-59818

Name: CVE-2025-59818
Creator: NVD / NIST
Published: 2026-02-04T11:16:01.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2025-59818 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.48%

37.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Zenitel	Tcis-3 Firmware	< 9.2.3.3

References

https://wiki.zenitel.com/wiki/Turbine_9.3_-_Release_notesRelease Notes
https://wiki.zenitel.com/wiki/VSF-Display_Series_9.3_Release_NotesRelease Notes
https://wiki.zenitel.com/wiki/VSF-Fortitude6_9.3_Release_NotesRelease Notes
https://wiki.zenitel.com/wiki/VSF-Fortitude8_9.3_Release_NotesRelease Notes
https://wiki.zenitel.com/wiki/ZIPS_9.3_-_Release_notesRelease Notes
https://www.zenitel.com/sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdfVendor Advisory

Timeline

Published: Feb 4, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-59818?

This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file.

How severe is CVE-2025-59818?

CVE-2025-59818 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59818?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-59818?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST